000 00294nam a2200109Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
100 _aGopalakrishna, K R
245 0 _aText book of engineering drawing
260 _aSubhas Publications
_c207
300 _b0
650 _aSYSTEM PROGRAMMING
_91254
999 _c136726
_d136726